Date: Fri, 12 Aug 2005 16:37:28 -0700 From: Brooks Davis <brooks@one-eyed-alien.net> To: =?iso-8859-1?Q?Jo=E3o?= Carlos Mendes Luis <jonny@jonny.eng.br> Cc: hackers@freebsd.org Subject: Re: File create permissions, what am I missing? Message-ID: <20050812233728.GA22225@odin.ac.hmc.edu> In-Reply-To: <42FD15EA.8050500@jonny.eng.br> References: <42FD15EA.8050500@jonny.eng.br>
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[-- Attachment #1 --] On Fri, Aug 12, 2005 at 06:34:34PM -0300, Joćo Carlos Mendes Luis wrote: > In a directory with -rwxrwxrwx, any user can create files, but who should > be the owner/group of this file? > > Long time ago in Unix history, the owner would be the user who created the > file, and the group would be the users's primary group. > > Later, IIRC, if the directory group was one of the user's secondary groups, > the file would also be from this group. > > A later modification defined that a setgid directory would effect in all > files created belonging to the directory's user. > > Am I correct? > > But I have already tested 3 system, 2 with 5-stable and 1 with 4-stable, in > which the created file inside a -rwxrwxrwx directory is created belonging > to the directory's group, WITHOUT the setgid bit. What did I miss? On BSD systems, the group of a file is always the group of the directory it is in. This differs from SysV UNIX. The resident grey-beard at work feels this is a new and annoying behavior. (i.e. it wasn't always this way. :) -- Brooks -- Any statement of the form "X is the one, true Y" is FALSE. PGP fingerprint 655D 519C 26A7 82E7 2529 9BF0 5D8E 8BE9 F238 1AD4 [-- Attachment #2 --] -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.1 (GNU/Linux) iD8DBQFC/TK4XY6L6fI4GtQRAqO+AKCk+gbMNknN7HlHNWllu1EcfVCRZgCeMrA0 h3DIz0Dq9svwqgEC2b2kYsc= =YtZ0 -----END PGP SIGNATURE-----help
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